1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# Double quotes to prevent globbing and word splitting is recommended in new 5# code but we accept it. 6#shellcheck disable=SC2086 7 8# Some variables are used below but indirectly, see verify_*_event() 9#shellcheck disable=SC2034 10 11. "$(dirname "${0}")/mptcp_lib.sh" 12 13mptcp_lib_check_mptcp 14mptcp_lib_check_kallsyms 15 16if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then 17 echo "userspace pm tests are not supported by the kernel: SKIP" 18 exit ${KSFT_SKIP} 19fi 20mptcp_lib_check_tools ip 21 22ANNOUNCED=${MPTCP_LIB_EVENT_ANNOUNCED} 23REMOVED=${MPTCP_LIB_EVENT_REMOVED} 24SUB_ESTABLISHED=${MPTCP_LIB_EVENT_SUB_ESTABLISHED} 25SUB_CLOSED=${MPTCP_LIB_EVENT_SUB_CLOSED} 26LISTENER_CREATED=${MPTCP_LIB_EVENT_LISTENER_CREATED} 27LISTENER_CLOSED=${MPTCP_LIB_EVENT_LISTENER_CLOSED} 28 29AF_INET=${MPTCP_LIB_AF_INET} 30AF_INET6=${MPTCP_LIB_AF_INET6} 31 32file="" 33server_evts="" 34client_evts="" 35server_evts_pid=0 36client_evts_pid=0 37client4_pid=0 38server4_pid=0 39client6_pid=0 40server6_pid=0 41client4_token="" 42server4_token="" 43client6_token="" 44server6_token="" 45client4_port=0; 46client6_port=0; 47app4_port=50002 48new4_port=50003 49app6_port=50004 50client_addr_id=${RANDOM:0:2} 51server_addr_id=${RANDOM:0:2} 52 53ns1="" 54ns2="" 55ret=0 56test_name="" 57# a bit more space: because we have more to display 58MPTCP_LIB_TEST_FORMAT="%02u %-68s" 59 60print_title() 61{ 62 mptcp_lib_pr_info "${1}" 63} 64 65# $1: test name 66print_test() 67{ 68 test_name="${1}" 69 70 mptcp_lib_print_title "${test_name}" 71} 72 73test_pass() 74{ 75 mptcp_lib_pr_ok 76 mptcp_lib_result_pass "${test_name}" 77} 78 79test_skip() 80{ 81 mptcp_lib_pr_skip 82 mptcp_lib_result_skip "${test_name}" 83} 84 85# $1: msg 86test_fail() 87{ 88 if [ ${#} -gt 0 ] 89 then 90 mptcp_lib_pr_fail "${@}" 91 fi 92 ret=${KSFT_FAIL} 93 mptcp_lib_result_fail "${test_name}" 94} 95 96# This function is used in the cleanup trap 97#shellcheck disable=SC2317 98cleanup() 99{ 100 print_title "Cleanup" 101 102 # Terminate the MPTCP connection and related processes 103 local pid 104 for pid in $client4_pid $server4_pid $client6_pid $server6_pid\ 105 $server_evts_pid $client_evts_pid 106 do 107 mptcp_lib_kill_wait $pid 108 done 109 110 mptcp_lib_ns_exit "${ns1}" "${ns2}" 111 112 rm -rf $file $client_evts $server_evts 113 114 mptcp_lib_pr_info "Done" 115} 116 117trap cleanup EXIT 118 119# Create and configure network namespaces for testing 120mptcp_lib_ns_init ns1 ns2 121for i in "$ns1" "$ns2" ;do 122 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1 123done 124 125# "$ns1" ns2 126# ns1eth2 ns2eth1 127 128ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" 129 130# Add IPv4/v6 addresses to the namespaces 131ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 132ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2 133ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad 134ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad 135ip -net "$ns1" link set ns1eth2 up 136 137ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 138ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1 139ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad 140ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad 141ip -net "$ns2" link set ns2eth1 up 142 143file=$(mktemp) 144mptcp_lib_make_file "$file" 2 1 145 146# Capture netlink events over the two network namespaces running 147# the MPTCP client and server 148client_evts=$(mktemp) 149mptcp_lib_events "${ns2}" "${client_evts}" client_evts_pid 150server_evts=$(mktemp) 151mptcp_lib_events "${ns1}" "${server_evts}" server_evts_pid 152sleep 0.5 153mptcp_lib_subtests_last_ts_reset 154 155print_title "Init" 156print_test "Created network namespaces ns1, ns2" 157test_pass 158 159make_connection() 160{ 161 local is_v6=$1 162 local app_port=$app4_port 163 local connect_addr="10.0.1.1" 164 local client_addr="10.0.1.2" 165 local listen_addr="0.0.0.0" 166 if [ "$is_v6" = "v6" ] 167 then 168 connect_addr="dead:beef:1::1" 169 client_addr="dead:beef:1::2" 170 listen_addr="::" 171 app_port=$app6_port 172 else 173 is_v6="v4" 174 fi 175 176 # set this on the client side only: will not affect the rest 177 ip netns exec "$ns2" sysctl -q net.mptcp.allow_join_initial_addr_port=0 178 179 :>"$client_evts" 180 :>"$server_evts" 181 182 # Run the server 183 ip netns exec "$ns1" \ 184 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & 185 local server_pid=$! 186 sleep 0.5 187 188 # Run the client, transfer $file and stay connected to the server 189 # to conduct tests 190 ip netns exec "$ns2" \ 191 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 192 2>&1 > /dev/null < "$file" & 193 local client_pid=$! 194 sleep 1 195 196 # Capture client/server attributes from MPTCP connection netlink events 197 198 local client_token 199 local client_port 200 local client_serverside 201 local client_nojoin 202 local server_token 203 local server_serverside 204 local server_nojoin 205 206 client_token=$(mptcp_lib_evts_get_info token "$client_evts") 207 client_port=$(mptcp_lib_evts_get_info sport "$client_evts") 208 client_serverside=$(mptcp_lib_evts_get_info server_side "$client_evts") 209 client_nojoin=$(mptcp_lib_evts_get_info deny_join_id0 "$client_evts") 210 server_token=$(mptcp_lib_evts_get_info token "$server_evts") 211 server_serverside=$(mptcp_lib_evts_get_info server_side "$server_evts") 212 server_nojoin=$(mptcp_lib_evts_get_info deny_join_id0 "$server_evts") 213 214 print_test "Established IP${is_v6} MPTCP Connection ns2 => ns1" 215 if [ "${client_token}" != "" ] && [ "${server_token}" != "" ] && 216 [ "${client_serverside}" = 0 ] && [ "${server_serverside}" = 1 ] && 217 [ "${client_nojoin:-0}" = 0 ] && [ "${server_nojoin:-0}" = 1 ] 218 then 219 test_pass 220 print_title "Connection info: ${client_addr}:${client_port} -> ${connect_addr}:${app_port}" 221 else 222 test_fail "Expected tokens (c:${client_token} - s:${server_token}), server (c:${client_serverside} - s:${server_serverside}), nojoin (c:${client_nojoin} - s:${server_nojoin})" 223 mptcp_lib_result_print_all_tap 224 exit ${KSFT_FAIL} 225 fi 226 227 if [ "$is_v6" = "v6" ] 228 then 229 client6_token=$client_token 230 server6_token=$server_token 231 client6_port=$client_port 232 client6_pid=$client_pid 233 server6_pid=$server_pid 234 else 235 client4_token=$client_token 236 server4_token=$server_token 237 client4_port=$client_port 238 client4_pid=$client_pid 239 server4_pid=$server_pid 240 fi 241} 242 243# $@: all var names to check 244check_expected() 245{ 246 if mptcp_lib_check_expected "${@}" 247 then 248 test_pass 249 return 0 250 fi 251 252 test_fail 253 return 1 254} 255 256verify_announce_event() 257{ 258 local evt=$1 259 local e_type=$2 260 local e_token=$3 261 local e_addr=$4 262 local e_id=$5 263 local e_dport=$6 264 local e_af=$7 265 local type 266 local token 267 local addr 268 local dport 269 local id 270 271 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 272 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 273 if [ "$e_af" = "v6" ] 274 then 275 addr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 276 else 277 addr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 278 fi 279 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 280 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 281 282 check_expected "type" "token" "addr" "dport" "id" 283} 284 285test_announce() 286{ 287 print_title "Announce tests" 288 289 # Capture events on the network namespace running the server 290 :>"$server_evts" 291 292 # ADD_ADDR using an invalid token should result in no action 293 local invalid_token=$(( client4_token - 1)) 294 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 295 $client_addr_id dev ns2eth1 > /dev/null 2>&1 296 297 local type 298 type=$(mptcp_lib_evts_get_info type "$server_evts") 299 print_test "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token" 300 if [ "$type" = "" ] 301 then 302 test_pass 303 else 304 test_fail "type defined: ${type}" 305 fi 306 307 # ADD_ADDR from the client to server machine reusing the subflow port 308 :>"$server_evts" 309 ip netns exec "$ns2"\ 310 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 311 ns2eth1 312 print_test "ADD_ADDR id:client 10.0.2.2 (ns2) => ns1, reuse port" 313 sleep 0.5 314 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ 315 "$client4_port" 316 317 # ADD_ADDR6 from the client to server machine reusing the subflow port 318 :>"$server_evts" 319 ip netns exec "$ns2" ./pm_nl_ctl ann\ 320 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 321 print_test "ADD_ADDR6 id:client dead:beef:2::2 (ns2) => ns1, reuse port" 322 sleep 0.5 323 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 324 "$client_addr_id" "$client6_port" "v6" 325 326 # ADD_ADDR from the client to server machine using a new port 327 :>"$server_evts" 328 client_addr_id=$((client_addr_id+1)) 329 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 330 $client_addr_id dev ns2eth1 port $new4_port 331 print_test "ADD_ADDR id:client+1 10.0.2.2 (ns2) => ns1, new port" 332 sleep 0.5 333 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 334 "$client_addr_id" "$new4_port" 335 336 # Capture events on the network namespace running the client 337 :>"$client_evts" 338 339 # ADD_ADDR from the server to client machine reusing the subflow port 340 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 341 $server_addr_id dev ns1eth2 342 print_test "ADD_ADDR id:server 10.0.2.1 (ns1) => ns2, reuse port" 343 sleep 0.5 344 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 345 "$server_addr_id" "$app4_port" 346 347 # ADD_ADDR6 from the server to client machine reusing the subflow port 348 :>"$client_evts" 349 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 350 $server_addr_id dev ns1eth2 351 print_test "ADD_ADDR6 id:server dead:beef:2::1 (ns1) => ns2, reuse port" 352 sleep 0.5 353 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 354 "$server_addr_id" "$app6_port" "v6" 355 356 # ADD_ADDR from the server to client machine using a new port 357 :>"$client_evts" 358 server_addr_id=$((server_addr_id+1)) 359 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 360 $server_addr_id dev ns1eth2 port $new4_port 361 print_test "ADD_ADDR id:server+1 10.0.2.1 (ns1) => ns2, new port" 362 sleep 0.5 363 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 364 "$server_addr_id" "$new4_port" 365} 366 367verify_remove_event() 368{ 369 local evt=$1 370 local e_type=$2 371 local e_token=$3 372 local e_id=$4 373 local type 374 local token 375 local id 376 377 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 378 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 379 id=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 380 381 check_expected "type" "token" "id" 382} 383 384test_remove() 385{ 386 print_title "Remove tests" 387 388 # Capture events on the network namespace running the server 389 :>"$server_evts" 390 391 # RM_ADDR using an invalid token should result in no action 392 local invalid_token=$(( client4_token - 1 )) 393 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 394 $client_addr_id > /dev/null 2>&1 395 print_test "RM_ADDR id:client ns2 => ns1, invalid token" 396 local type 397 type=$(mptcp_lib_evts_get_info type "$server_evts") 398 if [ "$type" = "" ] 399 then 400 test_pass 401 else 402 test_fail "unexpected type: ${type}" 403 fi 404 405 # RM_ADDR using an invalid addr id should result in no action 406 local invalid_id=$(( client_addr_id + 1 )) 407 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 408 $invalid_id > /dev/null 2>&1 409 print_test "RM_ADDR id:client+1 ns2 => ns1, invalid id" 410 type=$(mptcp_lib_evts_get_info type "$server_evts") 411 if [ "$type" = "" ] 412 then 413 test_pass 414 else 415 test_fail "unexpected type: ${type}" 416 fi 417 418 # RM_ADDR from the client to server machine 419 :>"$server_evts" 420 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 421 $client_addr_id 422 print_test "RM_ADDR id:client ns2 => ns1" 423 sleep 0.5 424 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 425 426 # RM_ADDR from the client to server machine 427 :>"$server_evts" 428 client_addr_id=$(( client_addr_id - 1 )) 429 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 430 $client_addr_id 431 print_test "RM_ADDR id:client-1 ns2 => ns1" 432 sleep 0.5 433 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 434 435 # RM_ADDR6 from the client to server machine 436 :>"$server_evts" 437 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 438 $client_addr_id 439 print_test "RM_ADDR6 id:client-1 ns2 => ns1" 440 sleep 0.5 441 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" 442 443 # Capture events on the network namespace running the client 444 :>"$client_evts" 445 446 # RM_ADDR from the server to client machine 447 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 448 $server_addr_id 449 print_test "RM_ADDR id:server ns1 => ns2" 450 sleep 0.5 451 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 452 453 # RM_ADDR from the server to client machine 454 :>"$client_evts" 455 server_addr_id=$(( server_addr_id - 1 )) 456 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 457 $server_addr_id 458 print_test "RM_ADDR id:server-1 ns1 => ns2" 459 sleep 0.5 460 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 461 462 # RM_ADDR6 from the server to client machine 463 :>"$client_evts" 464 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 465 $server_addr_id 466 print_test "RM_ADDR6 id:server-1 ns1 => ns2" 467 sleep 0.5 468 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" 469} 470 471verify_subflow_events() 472{ 473 local evt=$1 474 local e_type=$2 475 local e_token=$3 476 local e_family=$4 477 local e_saddr=$5 478 local e_daddr=$6 479 local e_dport=$7 480 local e_locid=$8 481 local e_remid=$9 482 shift 2 483 local e_from=$8 484 local e_to=$9 485 local type 486 local token 487 local family 488 local saddr 489 local daddr 490 local dport 491 local locid 492 local remid 493 local info 494 local e_dport_txt 495 496 # only display the fixed ports 497 if [ "${e_dport}" -ge "${app4_port}" ] && [ "${e_dport}" -le "${app6_port}" ]; then 498 e_dport_txt=":${e_dport}" 499 fi 500 501 info="${e_saddr} (${e_from}) => ${e_daddr}${e_dport_txt} (${e_to})" 502 503 if [ "$e_type" = "$SUB_ESTABLISHED" ] 504 then 505 if [ "$e_family" = "$AF_INET6" ] 506 then 507 print_test "CREATE_SUBFLOW6 ${info}" 508 else 509 print_test "CREATE_SUBFLOW ${info}" 510 fi 511 else 512 if [ "$e_family" = "$AF_INET6" ] 513 then 514 print_test "DESTROY_SUBFLOW6 ${info}" 515 else 516 print_test "DESTROY_SUBFLOW ${info}" 517 fi 518 fi 519 520 type=$(mptcp_lib_evts_get_info type "$evt" $e_type) 521 token=$(mptcp_lib_evts_get_info token "$evt" $e_type) 522 family=$(mptcp_lib_evts_get_info family "$evt" $e_type) 523 dport=$(mptcp_lib_evts_get_info dport "$evt" $e_type) 524 locid=$(mptcp_lib_evts_get_info loc_id "$evt" $e_type) 525 remid=$(mptcp_lib_evts_get_info rem_id "$evt" $e_type) 526 if [ "$family" = "$AF_INET6" ] 527 then 528 saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" $e_type) 529 daddr=$(mptcp_lib_evts_get_info daddr6 "$evt" $e_type) 530 else 531 saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" $e_type) 532 daddr=$(mptcp_lib_evts_get_info daddr4 "$evt" $e_type) 533 fi 534 535 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid" 536} 537 538test_subflows() 539{ 540 print_title "Subflows v4 or v6 only tests" 541 542 # Capture events on the network namespace running the server 543 :>"$server_evts" 544 545 # Attempt to add a listener at 10.0.2.2:<subflow-port> 546 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 547 "$client4_port" & 548 local listener_pid=$! 549 550 # ADD_ADDR from client to server machine reusing the subflow port 551 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 552 $client_addr_id 553 sleep 0.5 554 555 # CREATE_SUBFLOW from server to client machine 556 :>"$server_evts" 557 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 558 rport "$client4_port" token "$server4_token" 559 sleep 0.5 560 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \ 561 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 562 563 # Delete the listener from the client ns, if one was created 564 mptcp_lib_kill_wait $listener_pid 565 566 local sport 567 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 568 569 # DESTROY_SUBFLOW from server to client machine 570 :>"$server_evts" 571 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 572 "$client4_port" token "$server4_token" 573 sleep 0.5 574 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 575 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 576 577 # RM_ADDR from client to server machine 578 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 579 "$client4_token" 580 sleep 0.5 581 582 # Attempt to add a listener at dead:beef:2::2:<subflow-port> 583 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ 584 "$client6_port" & 585 listener_pid=$! 586 587 # ADD_ADDR6 from client to server machine reusing the subflow port 588 :>"$server_evts" 589 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ 590 $client_addr_id 591 sleep 0.5 592 593 # CREATE_SUBFLOW6 from server to client machine 594 :>"$server_evts" 595 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ 596 dead:beef:2::2 rport "$client6_port" token "$server6_token" 597 sleep 0.5 598 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ 599 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 600 "$client_addr_id" "ns1" "ns2" 601 602 # Delete the listener from the client ns, if one was created 603 mptcp_lib_kill_wait $listener_pid 604 605 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 606 607 # DESTROY_SUBFLOW6 from server to client machine 608 :>"$server_evts" 609 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ 610 dead:beef:2::2 rport "$client6_port" token "$server6_token" 611 sleep 0.5 612 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ 613 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 614 "$client_addr_id" "ns1" "ns2" 615 616 # RM_ADDR from client to server machine 617 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 618 "$client6_token" 619 sleep 0.5 620 621 # Attempt to add a listener at 10.0.2.2:<new-port> 622 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 623 $new4_port & 624 listener_pid=$! 625 626 # ADD_ADDR from client to server machine using a new port 627 :>"$server_evts" 628 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 629 $client_addr_id port $new4_port 630 sleep 0.5 631 632 # CREATE_SUBFLOW from server to client machine 633 :>"$server_evts" 634 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ 635 $new4_port token "$server4_token" 636 sleep 0.5 637 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ 638 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ 639 "$client_addr_id" "ns1" "ns2" 640 641 # Delete the listener from the client ns, if one was created 642 mptcp_lib_kill_wait $listener_pid 643 644 sport=$(mptcp_lib_evts_get_info sport "$server_evts" $SUB_ESTABLISHED) 645 646 # DESTROY_SUBFLOW from server to client machine 647 :>"$server_evts" 648 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 649 $new4_port token "$server4_token" 650 sleep 0.5 651 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 652 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" 653 654 # RM_ADDR from client to server machine 655 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 656 "$client4_token" 657 658 # Capture events on the network namespace running the client 659 :>"$client_evts" 660 661 # Attempt to add a listener at 10.0.2.1:<subflow-port> 662 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 663 $app4_port & 664 listener_pid=$! 665 666 # ADD_ADDR from server to client machine reusing the subflow port 667 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 668 $server_addr_id 669 sleep 0.5 670 671 # CREATE_SUBFLOW from client to server machine 672 :>"$client_evts" 673 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 674 $app4_port token "$client4_token" 675 sleep 0.5 676 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\ 677 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 678 679 # Delete the listener from the server ns, if one was created 680 mptcp_lib_kill_wait $listener_pid 681 682 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 683 684 # DESTROY_SUBFLOW from client to server machine 685 :>"$client_evts" 686 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 687 $app4_port token "$client4_token" 688 sleep 0.5 689 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 690 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 691 692 # RM_ADDR from server to client machine 693 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 694 "$server4_token" 695 sleep 0.5 696 697 # Attempt to add a listener at dead:beef:2::1:<subflow-port> 698 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ 699 $app6_port & 700 listener_pid=$! 701 702 # ADD_ADDR6 from server to client machine reusing the subflow port 703 :>"$client_evts" 704 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 705 $server_addr_id 706 sleep 0.5 707 708 # CREATE_SUBFLOW6 from client to server machine 709 :>"$client_evts" 710 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ 711 dead:beef:2::1 rport $app6_port token "$client6_token" 712 sleep 0.5 713 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 714 "$AF_INET6" "dead:beef:2::2"\ 715 "dead:beef:2::1" "$app6_port" "23"\ 716 "$server_addr_id" "ns2" "ns1" 717 718 # Delete the listener from the server ns, if one was created 719 mptcp_lib_kill_wait $listener_pid 720 721 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 722 723 # DESTROY_SUBFLOW6 from client to server machine 724 :>"$client_evts" 725 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ 726 dead:beef:2::1 rport $app6_port token "$client6_token" 727 sleep 0.5 728 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\ 729 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" 730 731 # RM_ADDR6 from server to client machine 732 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 733 "$server6_token" 734 sleep 0.5 735 736 # Attempt to add a listener at 10.0.2.1:<new-port> 737 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 738 $new4_port & 739 listener_pid=$! 740 741 # ADD_ADDR from server to client machine using a new port 742 :>"$client_evts" 743 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 744 $server_addr_id port $new4_port 745 sleep 0.5 746 747 # CREATE_SUBFLOW from client to server machine 748 :>"$client_evts" 749 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 750 $new4_port token "$client4_token" 751 sleep 0.5 752 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ 753 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 754 755 # Delete the listener from the server ns, if one was created 756 mptcp_lib_kill_wait $listener_pid 757 758 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 759 760 # DESTROY_SUBFLOW from client to server machine 761 :>"$client_evts" 762 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 763 $new4_port token "$client4_token" 764 sleep 0.5 765 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 766 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 767 768 # RM_ADDR from server to client machine 769 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 770 "$server4_token" 771} 772 773test_subflows_v4_v6_mix() 774{ 775 print_title "Subflows v4 and v6 mix tests" 776 777 # Attempt to add a listener at 10.0.2.1:<subflow-port> 778 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 779 $app6_port & 780 local listener_pid=$! 781 782 # ADD_ADDR4 from server to client machine reusing the subflow port on 783 # the established v6 connection 784 :>"$client_evts" 785 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\ 786 $server_addr_id dev ns1eth2 787 print_test "ADD_ADDR4 id:server 10.0.2.1 (ns1) => ns2, reuse port" 788 sleep 0.5 789 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\ 790 "$server_addr_id" "$app6_port" 791 792 # CREATE_SUBFLOW from client to server machine 793 :>"$client_evts" 794 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 795 $app6_port token "$client6_token" 796 sleep 0.5 797 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 798 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 799 "$server_addr_id" "ns2" "ns1" 800 801 # Delete the listener from the server ns, if one was created 802 mptcp_lib_kill_wait $listener_pid 803 804 sport=$(mptcp_lib_evts_get_info sport "$client_evts" $SUB_ESTABLISHED) 805 806 # DESTROY_SUBFLOW from client to server machine 807 :>"$client_evts" 808 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 809 $app6_port token "$client6_token" 810 sleep 0.5 811 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \ 812 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 813 "$server_addr_id" "ns2" "ns1" 814 815 # RM_ADDR from server to client machine 816 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 817 "$server6_token" 818 sleep 0.5 819} 820 821test_prio() 822{ 823 print_title "Prio tests" 824 825 local count 826 827 # Send MP_PRIO signal from client to server machine 828 ip netns exec "$ns2" ./pm_nl_ctl set 10.0.1.2 port "$client4_port" flags backup token "$client4_token" rip 10.0.1.1 rport "$app4_port" 829 sleep 0.5 830 831 # Check TX 832 print_test "MP_PRIO TX" 833 count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx") 834 if [ -z "$count" ]; then 835 test_skip 836 elif [ $count != 1 ]; then 837 test_fail "Count != 1: ${count}" 838 else 839 test_pass 840 fi 841 842 # Check RX 843 print_test "MP_PRIO RX" 844 count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx") 845 if [ -z "$count" ]; then 846 test_skip 847 elif [ $count != 1 ]; then 848 test_fail "Count != 1: ${count}" 849 else 850 test_pass 851 fi 852} 853 854verify_listener_events() 855{ 856 if mptcp_lib_verify_listener_events "${@}"; then 857 test_pass 858 else 859 test_fail 860 fi 861} 862 863test_listener() 864{ 865 print_title "Listener tests" 866 867 if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then 868 print_test "LISTENER events" 869 test_skip 870 return 871 fi 872 873 # Capture events on the network namespace running the client 874 :>$client_evts 875 876 # Attempt to add a listener at 10.0.2.2:<subflow-port> 877 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ 878 $client4_port & 879 local listener_pid=$! 880 881 sleep 0.5 882 print_test "CREATE_LISTENER 10.0.2.2 (client port)" 883 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port 884 885 # ADD_ADDR from client to server machine reusing the subflow port 886 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ 887 $client_addr_id 888 sleep 0.5 889 890 # CREATE_SUBFLOW from server to client machine 891 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 892 rport $client4_port token $server4_token 893 sleep 0.5 894 895 # Delete the listener from the client ns, if one was created 896 mptcp_lib_kill_wait $listener_pid 897 898 sleep 0.5 899 print_test "CLOSE_LISTENER 10.0.2.2 (client port)" 900 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port 901} 902 903print_title "Make connections" 904make_connection 905make_connection "v6" 906print_title "Will be using address IDs ${client_addr_id} (client) and ${server_addr_id} (server)" 907 908test_announce 909test_remove 910test_subflows 911test_subflows_v4_v6_mix 912test_prio 913test_listener 914 915mptcp_lib_result_print_all_tap 916exit ${ret} 917